What Is Ocean Stratification?
YouthEnvironmentNatureScience...The ocean has layers that mix—sometimes. What are the layers made of? And why is it bad news when they don’t?
Plants In Space!
YouthExperimentsNatureScience...Dr. Anna-Lisa Paul and Dr. Robert J. Ferl put weeds in unique situations to study their behaviour on a molecular level.
How Many Animal Species Are There, Really?
YouthAnimalsEnvironmentFacts...It's harder than you might think to know how many animal species live on Earth.
Mississippi River From Space
YouthTechnologyWorldScience...This week's edition features radar images of the Mississippi River, one of the longest rivers in North America.
Endangered Cuban Crocodiles
YouthAnimalsGlobal WarmingNatureIn Cuba, a unique species of crocodile is at risk of extinction.
Befriending A Millipede
YouthAnimalsEducationEnvironment...David Attenborough makes friends with one of natures creepiest crawlies: the millipede.
Earth From Space: Mackenzie River
YouthScienceSpaceTechnology...The Copernicus Sentinel-1 mission takes us over the Mackenzie River, a major river system in the Canadian boreal forest.
Cavitation Bubbles
YouthAnimalsExperimentsFacts...Slow motion sequences of snapping shrimp and mantis shrimp strikes that produce cavitation bubbles.